Working Voltage: DC 12V ² Power Consumption: 4.8W/ m ² Brightness: 180LM/ m ² Lamp Bead Dimensions: 3.5mm * 2.8mm ² Operating Current of Light strip (Max.): 0.4A/ m ² Every 5cm place with a crop mark, the shortest length of usage is 5cm(or you can use this light strip with the length 10cm, 15cm, 20cm,25cm,30cm and so on) ² On the back of the light strip, it comes with 3M double - sided adhesive, so no need other tools to be fixed, absolutely easy to use ² 60 bulbs per meter, and the width of the light strip is 8mm ² The whole roll of light strip is 5 meters long, and if a purchase for 5 meters (that means 5pcs), we will send you the power cord and light strip reel for free as a gift ² The light strip can be used on various items as you like, such as aircraft, helicopter, boats, cars and so on. ² Pls Pay Attention: the item is water-proof, and it is not RGB Chassis plate